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{"pageProps":{"metadata":{"date":"\"2021-06-13 14:37:01 +08:00\"","date_modified":"\"2021-06-14 22:42:48 +08:00\"","language":"en","source":""},"title":"Kubernetes","hast":{"type":"root","children":[{"type":"element","tagName":"nav","properties":{"className":"toc"},"children":[{"type":"element","tagName":"ol","properties":{"className":"toc-level toc-level-1"},"children":[]}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Kubernetes is a container orchestrator letting you manage hundreds of containers at a time.\nWhile managing multiple containers with engines such as Docker and Podman, it is not really feasible if you want hundreds of them.\n"}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Kubernetes is composed of multiple components and can be intermingled with other related tools.\nFor this, pre-bundled solutions (also known as distributions) such as "},{"type":"element","tagName":"a","properties":{"href":"http://k3s.io/"},"children":[{"type":"text","value":"K3s"}]},{"type":"text","value":" exists with some related tools embedded to make installation easier.\n"}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Most installations feature the "},{"type":"element","tagName":"a","properties":{"href":"/cli.kubectl"},"children":[{"type":"text","value":"kubectl"}]},{"type":"text","value":" that controls the Kubernetes cluster.\nThis is the program that you'll most likely going to pay attention to.\n"}]},{"type":"element","tagName":"ul","properties":{},"children":[{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"composed of multiple smaller components:\n"}]},{"type":"element","tagName":"ul","properties":{},"children":[{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"kubelet runs on all nodes, managing nodes — i.e., notifying the API server where the nodes belongs to\n"}]}]},{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"kubeconfig is the term for a Kubernetes cluster configuration;\n mainly written in YAML file\n"}]}]}]}]},{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Kubernetes uses the building blocks structure (or resources) that composes of simple blocks that can be combined to create complex operations\n"}]}]},{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"it also has extensibility mainly through exposing the API and letting you create custom resource definitions to fully extend Kubernetes with your app\n"}]}]},{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Kubernetes manages the cluster along with some resources\n"}]},{"type":"element","tagName":"ul","properties":{},"children":[{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"element","tagName":"strong","properties":{},"children":[{"type":"text","value":"the nodes which contain multiple pods"}]}]},{"type":"element","tagName":"ul","properties":{},"children":[{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"nodes are categorized either as a master or a worker node\n"}]}]},{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"a master node is where the control plane is located\n"}]}]},{"type":"element","tagName":"li","properties":{},"children":[{"type":"element","tagName":"p","properties":{},"children":[{"type":"text"
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